英文關鍵字
911
accident
alert
ambulance
car
collision
crash
crime
criminal
csi
damage
danger
defender
defense
disaster
emergency
evacuate
event
fbi
fire
guard
health
help
injury
law
lights
man
military
officer
police
policeman
policia
politics
polizei
protection
rescue
safety
scene
security
sheriff
siren
terrorism
tragedy
transport
trouble
uniform
urgent
vehicle
wreck